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Finding the Fourth Proportional to 191,883.89, 264,800.81 and 105,845.89

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Solution

The fourth proportional to 191,883.89, 264,800.81 and 105,845.89 is: 146,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,883.89 : 264,800.81 = 105,845.89 : x
  2. Step 2: Convert to fraction form
    191,883.89/264,800.81 = 105,845.89/x
  3. Step 3: Cross multiply
    191,883.89x = 264,800.81 × 105,845.89
  4. Step 4: Simplify right side
    191,883.89x = 28,028,077,407.17
  5. Step 5: Solve for x
    x = 28,028,077,407.17/191,883.89
  6. Step 6: Final answer
    x = 146,067.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.